1. From the National Heart, Lung, and Blood Institute Framingham Heart Study (S.K., Q.Y., M.G.L., C.J.O.), Framingham, Mass; Broad Institute of Harvard University and Massachusetts Institute of Technology (S.K., S.B.G., A.L.C., J.N.H., C.J.O.), Cambridge; Department of Biostatistics (Q.Y.), Boston University School of Public Health, Department of Neurology (Q.Y.), Boston University School of Medicine, Department of Mathematics and Statistics (M.G.L.), Boston University, Massachusetts; Royal North Shore...